Definitions for "Human-computer interaction"
Keywords:  hci, sigchi, cdg, ergonomics, interact
A subset of the field of ergonomics, dealing specifically with computers and technology, and the more general field that encompasses usability. HCI focuses on the relationship between the user and the technology, often from a psychological perspective.
The study of the psychology and design principles associated with the way humans interact with computer systems.
The interaction between people and any computer-based system or product.